宽带传输系统;数据传输设备检测

📅 发布时间:2024-05-27 👤 来源:北检院 👁 阅读:

NF Z84-328*NF EN 300328:2020 在 2.4 GHz 频段运行的 线电频谱接入协调标准(V2.2.2)

Wideband transmission systems - Data transmission equipment operating in the 2,4 GHz band - Harmonised Standard for access to radio spectrum (V2.2.2)

ITU-T J.184 SPANISH-2001 ..9号研究组

This Recommendation describes the Physical Layer and Data Link Layer (including the MAC Layer) used in cable networks which employ an Out-Of-Band

Digital broadband delivery system: Out-of-band transport Study Group 9

ITU-T J.184 FRENCH-2001 ..9号研究组

This Recommendation describes the Physical Layer and Data Link Layer (including the MAC Layer) used in cable networks which employ an Out-Of-Band

Digital broadband delivery system: Out-of-band transport

ETSI EN 300 328-2004 电磁兼容和线频谱物质(ERM).;在频2.4GHz ISM上运行的和使用;调制技术;欧洲协调标准包含R&TTE指令条款3.2的基本要求

Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband transmission systems; Data transmission equipment operating in the 2,4 GHz ISM band and using wide band modulation techniques; Harmonized EN covering essential requirements under art

ETSI EN 300 328-1-2001 电磁兼容和线频谱物质(ERM).;在频2.4GHz ISM上运行的和使用;扩展频谱调制技术.第1部分:技术特性和测试条件

Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Wideband Transmission Systems; Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques; Part 1: Technical Characteristics and Test Condit

0 线电..在2,4GHZ ISM上和使用扩展调制技术操作的的技术特性和试验条件.

ANSI/SCTE 55-2-2008 :.第2部分:B模式

Describes the complete physical layer structure, i.e., framing structure, channel coding and modulation (QPSK), for each direction - Downstream

Digital Broadband Delivery System: Out of Band Transport Part 2: Mode B

ETSI PRETS 300 328-1993 线电(RES)..使用扩频调制技术的2.4 GHz ISM频段的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

ETSI PRETS 300 328-1994 线电(RES)..使用扩频调制技术的2.4 GHz ISM频段的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

DS/ETS 300328:1995 线电(RES),.工作在2,4GHz ISM频并采用扩展频谱调制技术的的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband data transmission systems - Technical characteristics and test conditions for data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques

ITU-T H.52-1984 在组链路上频谱信号( 真 等)

Transmission of wide-spectrum signals (data@ facsimile@ etc.) on wideband group links

CEPT ETS 300 328-1994 线电(RES).在2.4 GHz ISM中运行并且使用扩频调制技术的技术特征和测试条件

Radio Equipment and Systems (RES) Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

ITU-T R.35 BIS-1989 50Bd的 VFT-电报

that Voice-frequency telegraph (VFT) systems standardized by the CCITT for 50-baud channels are described in Recommendations R.3 1 (for amplitude

50-Baud Wideband VFT Systems - Telegraph Transmission Study Group IX; 1 pp

ETS 300 328-1994 线电(RES)在 2 4 GHz ISM 频段运行并使用扩频调制技术的的技术特性和测试条件

Radio Equipment and Systems (RES) Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2@4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

UL 1635-2018 字警报

Digital alarm communicator system units

NF Z84-328*NF EN 300328:2020 在 2.4 GHz 频段运行的 线电频谱接入协调标准(V2.2.2)

Wideband transmission systems - Data transmission equipment operating in the 2,4 GHz band - Harmonised Standard for access to radio spectrum (V2.2.2)

ITU-T J.184 SPANISH-2001 ..9号研究组

This Recommendation describes the Physical Layer and Data Link Layer (including the MAC Layer) used in cable networks which employ an Out-Of-Band

Digital broadband delivery system: Out-of-band transport Study Group 9

ITU-T J.184 FRENCH-2001 ..9号研究组

This Recommendation describes the Physical Layer and Data Link Layer (including the MAC Layer) used in cable networks which employ an Out-Of-Band

Digital broadband delivery system: Out-of-band transport

ETSI EN 300 328-2004 电磁兼容和线频谱物质(ERM).;在频2.4GHz ISM上运行的和使用;调制技术;欧洲协调标准包含R&TTE指令条款3.2的基本要求

Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband transmission systems; Data transmission equipment operating in the 2,4 GHz ISM band and using wide band modulation techniques; Harmonized EN covering essential requirements under art

ETSI EN 300 328-1-2001 电磁兼容和线频谱物质(ERM).;在频2.4GHz ISM上运行的和使用;扩展频谱调制技术.第1部分:技术特性和测试条件

Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Wideband Transmission Systems; Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques; Part 1: Technical Characteristics and Test Condit

0 线电..在2,4GHZ ISM上和使用扩展调制技术操作的的技术特性和试验条件.

ANSI/SCTE 55-2-2008 :.第2部分:B模式

Describes the complete physical layer structure, i.e., framing structure, channel coding and modulation (QPSK), for each direction - Downstream

Digital Broadband Delivery System: Out of Band Transport Part 2: Mode B

ETSI PRETS 300 328-1993 线电(RES)..使用扩频调制技术的2.4 GHz ISM频段的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

ETSI PRETS 300 328-1994 线电(RES)..使用扩频调制技术的2.4 GHz ISM频段的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

DS/ETS 300328:1995 线电(RES),.工作在2,4GHz ISM频并采用扩展频谱调制技术的的技术特性和测试条件

Radio Equipment and Systems (RES); Wideband data transmission systems - Technical characteristics and test conditions for data transmission equipment operating in the 2,4 GHz ISM band and using spread spectrum modulation techniques

ITU-T H.52-1984 在组链路上频谱信号( 真 等)

Transmission of wide-spectrum signals (data@ facsimile@ etc.) on wideband group links

CEPT ETS 300 328-1994 线电(RES).在2.4 GHz ISM中运行并且使用扩频调制技术的技术特征和测试条件

Radio Equipment and Systems (RES) Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2,4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

ITU-T R.35 BIS-1989 50Bd的 VFT-电报

that Voice-frequency telegraph (VFT) systems standardized by the CCITT for 50-baud channels are described in Recommendations R.3 1 (for amplitude

50-Baud Wideband VFT Systems - Telegraph Transmission Study Group IX; 1 pp

ETS 300 328-1994 线电(RES)在 2 4 GHz ISM 频段运行并使用扩频调制技术的的技术特性和测试条件

Radio Equipment and Systems (RES) Wideband Data Transmission Systems Technical Characteristics and Test Conditions for Data Transmission Equipment Operating in the 2@4 GHz ISM Band and Using Spread Spectrum Modulation Techniques

UL 1635-2018 字警报

Digital alarm communicator system units

编辑:北检院编辑部

我们的优势

选择北检院的六大理由

📚

CMA/CNAS 双认证

旗下实验室具备国家认证认可监督管理委员会CMA资质认定及中国合格评定国家认可委员会CNAS实验室认可,检测报告具有国际公信力。

🔬

1000+ 台套先进设备

配备扫描电镜、气质联用仪、电感耦合等离子体质谱仪等国际先进检测仪器,确保数据精准可靠。

🏢

15000+ 平米实验室

拥有规模化专业检测基地,涵盖材料、化工、食品、环境等多个专业实验室,满足多领域检测需求。

👥

资深技术团队

汇聚材料科学、化学分析、环境工程等领域专家,拥有10年+行业经验,提供专业可靠的检测分析服务。

快速响应机制

标准检测周期短至3个工作日,加急服务24小时出具报告,全程一对一工程师跟进,确保高效交付。

🌎

全国服务网络

总部位于北京,山东设立分部,服务覆盖全国,为20万+客户提供便捷的一站式检测解决方案。

荣誉资质

旗下实验室资质荣誉

CMA 检验检测机构资质认定

CMA 检验检测机构资质认定

国家认证认可监督管理委员会颁发,具备向社会出具具有证明作用数据的资质。

CNAS 实验室认可证书

CNAS 实验室认可证书

中国合格评定国家认可委员会认可,检测结果获国际互认,具有国际公信力。

ISO 质量管理体系认证

ISO 质量管理体系认证

通过ISO 质量管理体系认证,管理体系实现规范化、标准化。

绿色低碳诚信示范创建企业

绿色低碳诚信示范创建企业

荣获绿色低碳诚信示范创建企业称号,践行可持续发展理念,推动绿色低碳转型,助力"双碳"目标实现。

北京市创新型中小企业

北京市"创新型"中小企业

经北京市经济和信息化局认定的创新型中小企业,具备较强创新能力与较高专业化水平,是优质中小企业梯度培育体系的重要基础力量。

北京市专精特新中小企业

北京市"专精特新"中小企业

经北京市经济和信息化局认定的专精特新中小企业,具备专业化、精细化、特色化、新颖化发展特征,在细分领域具有较强竞争优势。

查看全部资质

仪器设备

国际先进检测仪器,确保检测数据精准可靠

查看全部设备

检测流程

标准化流程,高效交付

01

需求沟通

客户提交检测需求,技术顾问一对一沟通,明确检测项目与标准。

02

样品寄送

客户按照规范要求寄送样品,实验室确认样品状态与数量。

03

实验检测

专业工程师按照标准方法进行检测分析,全程质量控制。

04

数据审核

检测数据经多级审核,确保结果准确、可靠、可追溯。

05

报告出具

出具检测报告,支持电子版与纸质版,快递送达。